201563920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1\times {\mathrm{307}}^1$

素因数の和:632

約数の個数: 80

約数和(自身を含む): 488093760

約数和(自身を除く): 286529840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 283, 290, 307, 464, 566, 580, 614, 1132, 1160, 1228, 1415, 1535, 2264, 2320, 2456, 2830, 3070, 4528, 4912, 5660, 6140, 8207, 8903, 11320, 12280, 16414, 17806, 22640, 24560, 32828, 35612, 41035, 44515, 65656, 71224, 82070, 86881, 89030, 131312, 142448, 164140, 173762, 178060, 328280, 347524, 356120, 434405, 656560, 695048, 712240, 868810, 1390096, 1737620, 2519549, 3475240, 5039098, 6950480, 10078196, 12597745, 20156392, 25195490, 40312784, 50390980, 100781960, 201563920]

約数ペア:

[(1, 201563920), (2, 100781960), (4, 50390980), (5, 40312784), (8, 25195490), (10, 20156392), (16, 12597745), (20, 10078196), (29, 6950480), (40, 5039098), (58, 3475240), (80, 2519549), (116, 1737620), (145, 1390096), (232, 868810), (283, 712240), (290, 695048), (307, 656560), (464, 434405), (566, 356120), (580, 347524), (614, 328280), (1132, 178060), (1160, 173762), (1228, 164140), (1415, 142448), (1535, 131312), (2264, 89030), (2320, 86881), (2456, 82070), (2830, 71224), (3070, 65656), (4528, 44515), (4912, 41035), (5660, 35612), (6140, 32828), (8207, 24560), (8903, 22640), (11320, 17806), (12280, 16414)]